Measurement of the multiplicity dependence of $\mitΥ$ production ratios in $pp$ collisions at $\sqrt{s}=13$ TeV

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1132

The $\mitÎ¥(\mathrm{2}S)$ and $\mitÎ¥(\mathrm{3}S)$ production cross-sections are measured relative to that of the $\mitÎ¥(\mathrm{1}S)$ meson, as a function of charged-particle mu…